/* Yutaka Plan marketing site. Calm, spacious, warm. See docs: site/README.md */

@font-face { font-family: "Inter"; src: url("/assets/Inter.8e84c87dc1.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Source Serif 4"; src: url("/assets/SourceSerif4.50623b9858.woff2") format("woff2"); font-weight: 200 900; font-display: swap; }
@font-face { font-family: "Shippori Mincho"; src: url("/assets/ShipporiMincho-Medium.01d98f2bda.woff2") format("woff2"); font-weight: 400 600; font-display: swap; }
@font-face { font-family: "Shippori Mincho"; src: url("/assets/ShipporiMincho-Bold.b0cdae551c.woff2") format("woff2"); font-weight: 700 900; font-display: swap; }
@font-face { font-family: "Noto Sans JP"; src: url("/assets/NotoSansJP.dec81a8326.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --bg: #FAF8F4; --surface: #FFFFFF; --ink: #1F2421; --ink-muted: #5F645F; --line: #E6E1D8;
  --accent: #2F5D50; --accent-ink: #FFFFFF; --glow: #C8A24A;
  --radius: 14px; --wrap: 1120px; --narrow: 680px;
  --sys-sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --sys-jp: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;
  --sys-serif: "Iowan Old Style", "Palatino Linotype", Georgia, "Times New Roman", serif;
  --sys-jp-serif: "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171A; --surface: #1C2024; --ink: #ECEAE4; --ink-muted: #A5A9A4; --line: #2A2F33;
    --accent: #7FB5A3; --accent-ink: #0E1412; --glow: #D9B866;
  }
}
:root[data-theme="light"] { --bg: #FAF8F4; --surface: #FFFFFF; --ink: #1F2421; --ink-muted: #5F645F; --line: #E6E1D8; --accent: #2F5D50; --accent-ink: #FFFFFF; --glow: #C8A24A; }
:root[data-theme="dark"] { --bg: #14171A; --surface: #1C2024; --ink: #ECEAE4; --ink-muted: #A5A9A4; --line: #2A2F33; --accent: #7FB5A3; --accent-ink: #0E1412; --glow: #D9B866; }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-size: clamp(1.0625rem, 1rem + .15vw, 1.125rem);
}
body.lang-en { font-family: "Inter", var(--sys-sans), var(--sys-jp); line-height: 1.6; }
body.lang-ja { font-family: "Noto Sans JP", var(--sys-jp), var(--sys-sans); line-height: 1.85;
  line-break: strict; word-break: normal; overflow-wrap: anywhere; font-feature-settings: normal; }
@supports (word-break: auto-phrase) { body.lang-ja { word-break: auto-phrase; } }
h1, h2, h3 { font-weight: 600; line-height: 1.25; margin: 0 0 .6em; text-wrap: balance; }
.lang-en h1, .lang-en h2 { font-family: "Source Serif 4", var(--sys-serif), var(--sys-jp-serif); font-weight: 600; }
.lang-ja h1, .lang-ja h2 { font-family: "Shippori Mincho", var(--sys-jp-serif), serif; font-weight: 700; font-feature-settings: "palt"; letter-spacing: 0; }
.lang-ja h3 { font-weight: 700; }
h1 { font-size: clamp(2.5rem, 1.6rem + 3.6vw, 4rem); letter-spacing: -.01em; }
.lang-ja h1 { letter-spacing: 0; line-height: 1.4; }
h2 { font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.5rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1em; }
em, i { font-style: normal; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); color: var(--ink); padding: .75rem 1rem; z-index: 50; }
.skip:focus { left: 1rem; top: 1rem; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.narrow { max-width: calc(var(--narrow) + 4rem); }
.small { font-size: .875rem; }
.muted { color: var(--ink-muted); }
.label { font-size: .8125rem; color: var(--ink-muted); margin: 0 0 .15em; letter-spacing: .02em; }
.lang-ja .label { letter-spacing: 0; }
section { padding: clamp(4rem, 8vw, 8rem) 0; }
.band { background: color-mix(in srgb, var(--surface) 70%, var(--bg)); border-block: 1px solid var(--line); }

.banner { margin: 0; padding: .6rem 1rem; text-align: center; font-size: .9rem; background: var(--surface); border-bottom: 1px solid var(--line); }
.banner span:first-child { font-weight: 600; }
.site-header { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; gap: 1rem; min-height: 68px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .6rem; text-decoration: none; color: var(--ink); font-weight: 600; margin-right: auto; }
.lang-ja .brand-name { font-family: "Shippori Mincho", var(--sys-jp-serif); font-weight: 700; }
.mark { display: inline-flex; flex-direction: column; gap: 3px; }
.mark i { display: block; width: 18px; height: 3px; border-radius: 2px; background: var(--accent); }
.mark i:last-child { background: var(--glow); width: 12px; }
.nav { display: flex; align-items: center; gap: .25rem 1.25rem; flex-wrap: wrap; }
.nav > a:not(.btn) { color: var(--ink); text-decoration: none; padding: .5rem .25rem; min-height: 44px; display: inline-flex; align-items: center; }
.nav > a:not(.btn):hover { color: var(--accent); }
.nav .login { color: var(--ink-muted); }
.lang { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.lang a { color: var(--ink-muted); text-decoration: none; padding: .35rem .8rem; font-size: .9rem; min-height: 36px; display: inline-flex; align-items: center; }
.lang a[aria-current="true"] { background: var(--accent); color: var(--accent-ink); }
.menu-btn { display: none; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; min-height: 44px; padding: 0 1rem; cursor: pointer; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .6rem 1.4rem; border-radius: 12px;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer; text-align: center; }
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.08); }
.cta-row { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.5rem; }

.hero { padding: clamp(3rem, 7vw, 6rem) 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.lead { font-size: clamp(1.15rem, 1.05rem + .5vw, 1.4rem); color: var(--ink-muted); max-width: 36em; }
.slogan { color: var(--accent); font-weight: 600; margin-top: 1.5rem; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.25rem, 2.5vw, 2rem); box-shadow: 0 1px 2px rgba(31,36,33,.04); }
.sample hr { border: 0; border-top: 1px solid var(--line); margin: 1.25rem 0; }
.sample .outcome { font-size: 1.15rem; font-weight: 600; margin: 0 0 .3em; }
.sample-tag { margin-bottom: 1rem; }
.focus { list-style: none; margin: .5rem 0 1.25rem; padding: 0; display: grid; gap: .6rem; }
.focus li { display: grid; grid-template-columns: 1.9rem 1fr auto; align-items: center; gap: .75rem; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.focus .n { width: 1.9rem; height: 1.9rem; border-radius: 50%; display: grid; place-items: center; font-size: .85rem; font-weight: 600; color: var(--accent); border: 1.5px solid var(--accent); }
.focus .mins { color: var(--ink-muted); font-size: .9rem; white-space: nowrap; }

.grid { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 1.25rem; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-5 { grid-template-columns: repeat(5, 1fr); }
.grid .card h3 { margin-bottom: .4em; }
.grid .card p { margin: 0; color: var(--ink-muted); font-size: .98rem; }
.stepn { display: inline-grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--accent); color: var(--accent-ink); font-weight: 600; margin-bottom: .75rem; }
.chain { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .5rem; }
.chain li { display: grid; grid-template-columns: 9rem 1fr; gap: 1rem; padding: .85rem 1rem; border-left: 3px solid var(--line); background: var(--surface); border-radius: 0 10px 10px 0; }
.chain li:last-child { border-left-color: var(--accent); }
.chain .label { margin: 0; align-self: center; }
.chain .value { font-weight: 600; }
.ticks { list-style: none; padding: 0; margin: 1.25rem 0 0; display: grid; gap: .65rem; }
.ticks li { padding-left: 1.6rem; position: relative; }
.ticks li::before { content: ""; position: absolute; left: .25rem; top: .72em; width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); }

.plans { align-items: stretch; }
.plan { display: flex; flex-direction: column; gap: .5rem; }
.plan-rec { border-color: var(--accent); border-width: 2px; }
.tag { display: inline-block; margin: 0 0 .5rem; padding: .15rem .7rem; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-size: .8rem; font-weight: 600; }
.price { margin: .25rem 0; display: flex; gap: .5rem; align-items: baseline; flex-wrap: wrap; }
.amount { font-size: 2.1rem; font-weight: 600; }
.per { color: var(--ink-muted); }
.plan .btn { margin-top: auto; }
.plan .ticks { margin-bottom: 1rem; }

.qa { border-bottom: 1px solid var(--line); padding: .25rem 0; }
.qa summary { cursor: pointer; font-weight: 600; padding: .85rem 0; min-height: 44px; }
.qa p { color: var(--ink-muted); margin: 0 0 1rem; }

.pagehead { padding: clamp(3rem, 6vw, 5rem) 0 1rem; }
.prose h2 { margin-top: 2.5rem; font-size: 1.6rem; }
.prose ul { padding-left: 1.25rem; }
.prose li { margin-bottom: .5rem; }
.notice { border: 1px solid var(--glow); border-left-width: 4px; background: var(--surface); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 2rem; }
.legal { margin: 0; display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.legal > div { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: 1rem; padding: 1rem 1.25rem; border-bottom: 1px solid var(--line); }
.legal > div:last-child { border-bottom: 0; }
.legal dt { font-weight: 600; } .legal dd { margin: 0; }

.form label { display: block; font-weight: 600; margin: 1rem 0 .35rem; }
.form input[type="text"], .form input[type="email"], .form select, .form textarea {
  width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .75rem .9rem; min-height: 48px; }
.form textarea { min-height: 9rem; resize: vertical; }
.form .check { display: flex; gap: .7rem; align-items: flex-start; font-weight: 400; }
.form .check input { width: 1.25rem; height: 1.25rem; margin-top: .3rem; accent-color: var(--accent); flex: none; }
.form .btn { margin: 1.25rem 0 .75rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.final { text-align: left; }

.site-footer { border-top: 1px solid var(--line); padding: 3rem 0 2rem; background: var(--surface); }
.footer-cols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 2rem; margin-bottom: 2rem; }
.site-footer h2 { font-family: inherit; font-size: .85rem; font-weight: 600; color: var(--ink-muted); margin: 0 0 .75rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.site-footer a { color: var(--ink); text-decoration: none; display: inline-block; padding: .2rem 0; }
.site-footer a:hover { color: var(--accent); text-decoration: underline; }
.footnote { color: var(--ink-muted); font-size: .85rem; margin: 0 0 .5rem; max-width: 52em; }

@media (max-width: 1000px) {
  .grid-5 { grid-template-columns: repeat(2, 1fr); } .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .footer-cols { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 820px) {
  .hero-grid { grid-template-columns: 1fr; } .grid-3 { grid-template-columns: 1fr; }
  .menu-btn { display: inline-block; }
  .js .nav { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; padding-bottom: 1rem; }
  .js .nav.open { display: flex; }
  .nav > a:not(.btn) { border-bottom: 1px solid var(--line); }
  .lang { align-self: flex-start; margin: .5rem 0; }
  .chain li { grid-template-columns: 1fr; gap: .15rem; }
  .legal > div { grid-template-columns: 1fr; gap: .25rem; }
}
@media (max-width: 560px) { .grid-5, .grid-4 { grid-template-columns: 1fr; } .footer-cols { grid-template-columns: 1fr; } }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
@media (prefers-reduced-motion: no-preference) { .btn, a { transition: color .2s ease, border-color .2s ease, background-color .2s ease; } }

/* spacing refinements */
.pagehead { padding-bottom: 0; }
.pagehead + section { padding-top: clamp(2rem, 4vw, 3.5rem); }
.plans + p { margin-top: 1.75rem; }
.plan header { min-height: 5.25rem; }

/* benefit-first sections */
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.shift { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: .75rem; }
.shift li { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; align-items: stretch; }
.shift-head { font-size: .8125rem; color: var(--ink-muted); letter-spacing: .04em; padding: 0 1.1rem; }
.lang-ja .shift-head { letter-spacing: 0; }
.shift .from, .shift .to { padding: 1rem 1.1rem; border-radius: 12px; border: 1px solid var(--line); }
.shift .from { color: var(--ink-muted); background: transparent; }
.shift .to { background: var(--surface); border-color: var(--accent); font-weight: 600; }
.gain { color: var(--accent); font-weight: 600; font-size: .95rem; margin-top: .75rem; }
.grid .card p.gain { color: var(--accent); }
.feature-tag { margin-top: .9rem; font-size: .8rem; color: var(--ink-muted); border-top: 1px solid var(--line); padding-top: .6rem; }
.grid .card p.feature-tag { color: var(--ink-muted); font-size: .8rem; }
.who { list-style: none; padding: 0; margin: 1.5rem 0 0; display: grid; gap: 1rem; }
.who li { display: grid; gap: .15rem; padding-left: 1.1rem; border-left: 3px solid var(--accent); }
.who span { color: var(--ink-muted); }
@media (max-width: 640px) {
  .shift li { grid-template-columns: 1fr; gap: .35rem; }
  .shift-head { display: none; }
  .shift .from { border-style: dashed; }
}

/* payoffs and the example week */
.payoffs { list-style: none; padding: 0; margin: 2.5rem 0 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 2.5rem 3.5rem; }
.payoffs li { padding-left: 1.4rem; border-left: 3px solid var(--accent); }
.payoffs li:nth-child(5) { grid-column: 1 / -1; max-width: 34rem; }
.payoffs h3 { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); line-height: 1.35; margin-bottom: .5em; }
.lang-en .payoffs h3 { font-family: "Source Serif 4", var(--sys-serif); font-weight: 600; }
.lang-ja .payoffs h3 { font-family: "Shippori Mincho", var(--sys-jp-serif); font-weight: 700; }
.payoffs p { color: var(--ink-muted); font-size: 1.05rem; margin: 0; }
.week { list-style: none; padding: 0; margin: 2rem 0 0; display: grid; gap: 0; }
.week li { display: grid; grid-template-columns: 10rem 1fr; gap: 1.25rem; padding: 1.35rem 0; border-top: 1px solid var(--line); }
.week li:last-child { border-bottom: 1px solid var(--line); }
.week .when { color: var(--accent); font-weight: 600; }
.week p { margin: 0; font-size: 1.05rem; }
@media (max-width: 820px) {
  .payoffs { grid-template-columns: 1fr; gap: 2rem; }
  .payoffs li:nth-child(5) { max-width: none; }
  .week li { grid-template-columns: 1fr; gap: .25rem; }
}

.nobr { white-space: nowrap; }

/* hero banner: a quiet glow, the brand character, and the "three" motif. Decorative only. */
.hero-banner { position: relative; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(60rem 34rem at 88% 8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 62%),
    radial-gradient(44rem 26rem at 4% 100%, color-mix(in srgb, var(--glow) 18%, transparent), transparent 60%),
    var(--bg);
  border-bottom: 1px solid var(--line); }
.hero-banner > .wrap { position: relative; z-index: 1; }
.hero-glyph { position: absolute; z-index: 0; left: clamp(-4rem, -3vw, 0rem); top: 50%; transform: translateY(-46%); line-height: 1;
  font-size: clamp(18rem, 34vw, 30rem); color: var(--accent); opacity: .085; user-select: none; pointer-events: none;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif; font-weight: 700; }
.lang-ja .hero-glyph { font-family: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif; }
.hero-dots { position: absolute; z-index: 0; left: 50%; bottom: 1.1rem; transform: translateX(-50%); display: flex; gap: .55rem; }
.hero-dots i { width: .5rem; height: .5rem; border-radius: 50%; background: var(--accent); opacity: .45; }
.hero-dots i:last-child { background: var(--glow); opacity: .9; }
@media (prefers-color-scheme: dark) { .hero-glyph { opacity: .1; } }
@media (max-width: 820px) { .hero-glyph { font-size: 17rem; left: auto; right: -3rem; top: 6%; transform: none; opacity: .06; } }
.planned { color: var(--ink-muted); font-size: .9rem; margin: auto 0 0; padding-top: .75rem; }