/* ObyDesign — obydesign.jp */
:root {
  --ai: #142C63;        /* 紺: ロゴの色 (C100 M95 Y40 K10) */
  --ai-deep: #0E1F47;
  --asagi: #2A9D8F;     /* 浅葱: アクセント */
  --asagi-soft: #E3F2EF;
  --paper: #FAFAF7;     /* 地 */
  --ink: #1C2024;       /* 墨 */
  --ink-soft: #5B6168;
  --mist: #DDE3E8;      /* 罫線・面 */
  --line-green: #06C755;
  --font-body: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-display: "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --measure: 36em;
  --gutter: clamp(20px, 5vw, 64px);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  font-feature-settings: "palt";
  letter-spacing: 0.02em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--ai); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
a:hover { color: var(--asagi); }
:focus-visible { outline: 3px solid var(--asagi); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; line-height: 1.5; margin: 0; letter-spacing: 0.04em; }
p { margin: 0 0 1em; max-width: var(--measure); }
.wrap { width: min(1080px, 100% - var(--gutter) * 2); margin-inline: auto; }

/* header */
.site-head { position: sticky; top: 0; z-index: 20; background: rgba(250,250,247,.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--mist); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { display: inline-flex; align-items: center; text-decoration: none; }
.brand img { height: 16px; width: auto; display: block; }
@media (max-width: 720px) { .brand img { height: 14px; } }
.nav { display: flex; gap: 1.75rem; }
.nav a { text-decoration: none; color: var(--ink); font-size: 0.95rem; padding: 0.4em 0; border-bottom: 2px solid transparent; }
.nav a[aria-current="page"] { border-bottom-color: var(--asagi); }
.nav a:hover { color: var(--asagi); }
.nav-toggle { display: none; background: none; border: 1px solid var(--mist); border-radius: 4px; padding: 0.4rem 0.6rem; font: inherit; color: var(--ink); cursor: pointer; }
@media (max-width: 720px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--mist); padding: 0.5rem var(--gutter) 1rem; }
  .nav.is-open { display: flex; }
  .nav a { padding: 0.8em 0; border-bottom: 1px solid var(--mist); }
  .nav a[aria-current="page"] { border-bottom-color: var(--asagi); }
}

/* hero */
.hero { padding: clamp(56px, 10vw, 128px) 0 clamp(40px, 7vw, 96px); }
.hero h1 { font-size: clamp(1.9rem, 4.6vw, 3.4rem); color: var(--ai); max-width: 20em; }
.hero .lede { margin-top: 1.5em; font-size: 1.05rem; color: var(--ink-soft); max-width: 30em; }

/* services as a plain definition list, not cards */
.services { padding: clamp(32px, 6vw, 80px) 0; border-top: 1px solid var(--mist); }
.services h2 { font-size: 1.5rem; margin-bottom: 1.5em; }
.services dl { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem 3rem; margin: 0; }
.services dt { font-family: var(--font-display); font-size: 1.25rem; color: var(--ai); padding-top: 0.6rem; border-top: 2px solid var(--ai); }
.services dd { margin: 0.5rem 0 0; color: var(--ink-soft); font-size: 0.95rem; }
.services .note { margin-top: 2.5rem; color: var(--ink-soft); }

/* the one bold moment: vertical "あったらいいな" */
.wish { background: var(--ai); color: #fff; padding: clamp(48px, 8vw, 112px) 0; }
.wish .wrap { display: grid; grid-template-columns: auto 1fr; gap: clamp(32px, 6vw, 96px); align-items: start; }
.wish .tate {
  writing-mode: vertical-rl; text-orientation: mixed;
  font-family: var(--font-display); font-size: clamp(2rem, 4.5vw, 3.6rem);
  line-height: 1.25; letter-spacing: 0.14em; color: #fff; margin: 0;
  border-right: 1px solid rgba(255,255,255,.35); padding-right: 0.5em;
  min-height: 9em;
}
.wish p { color: rgba(255,255,255,.88); font-size: 1.1rem; max-width: 28em; }
.wish p + p { margin-top: 1.2em; }
.wish .btn { margin-top: 1.5rem; }
@media (max-width: 720px) {
  .wish .wrap { grid-template-columns: 1fr; }
  .wish .tate { writing-mode: horizontal-tb; border-right: 0; padding-right: 0; border-bottom: 1px solid rgba(255,255,255,.35); padding-bottom: 0.3em; min-height: 0; font-size: clamp(1.6rem, 8.2vw, 2.4rem); white-space: nowrap; letter-spacing: 0.08em; }
}

/* buttons */
.btn { display: inline-block; font: inherit; font-size: 1rem; text-decoration: none; padding: 0.85em 1.8em; border-radius: 3px; border: 1px solid transparent; cursor: pointer; line-height: 1.4; }
.btn-primary { background: var(--asagi); color: #fff; }
.btn-primary:hover { background: #23897D; color: #fff; }
.btn-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-outline:hover { background: rgba(255,255,255,.1); color: #fff; }
.btn-line { background: var(--line-green); color: #fff; display: inline-flex; align-items: center; gap: 0.6em; }
.btn-line:hover { background: #05B04C; color: #fff; }
.btn-line svg { width: 1.3em; height: 1.3em; fill: currentColor; }

/* generic page */
.page { padding: clamp(40px, 7vw, 96px) 0; }
.page-title { font-size: clamp(1.7rem, 3.6vw, 2.4rem); color: var(--ai); margin-bottom: 0.4em; }
.page-lede { color: var(--ink-soft); margin-bottom: 2.5em; }
.two-col { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 80px); align-items: start; }
@media (max-width: 820px) { .two-col { grid-template-columns: 1fr; } }

/* form */
.form { max-width: 36em; }
.field { margin-bottom: 1.5rem; }
.field label { display: block; font-weight: 500; margin-bottom: 0.4rem; }
.field label .req { color: var(--asagi); font-size: 0.8em; margin-left: 0.5em; }
.field input, .field textarea {
  width: 100%; font: inherit; color: var(--ink); background: #fff;
  border: 1px solid #B9C2CA; border-radius: 3px; padding: 0.7em 0.9em;
}
.field input:focus, .field textarea:focus { border-color: var(--asagi); outline: 2px solid var(--asagi-soft); }
.field textarea { min-height: 11em; resize: vertical; }
.field .err { color: #B3261E; font-size: 0.9rem; margin-top: 0.3rem; }
.field.has-error input, .field.has-error textarea { border-color: #B3261E; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.notice { padding: 1rem 1.25rem; border-radius: 3px; margin-bottom: 2rem; max-width: 36em; }
.notice-ok { background: var(--asagi-soft); border-left: 4px solid var(--asagi); }
.notice-ng { background: #FBEAE8; border-left: 4px solid #B3261E; }
.notice p:last-child { margin-bottom: 0; }

/* contact side */
.aside h2 { font-size: 1.25rem; margin-bottom: 0.8em; }
.aside .block + .block { margin-top: 2.5rem; padding-top: 2.5rem; border-top: 1px solid var(--mist); }
.aside p { color: var(--ink-soft); font-size: 0.95rem; }
.mail-addr { font-size: 1.05rem; word-break: break-all; }

/* column list */
.posts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--mist); }
.posts li { border-bottom: 1px solid var(--mist); }
.posts a { display: grid; grid-template-columns: 7.5em 1fr; gap: 1.5rem; padding: 1.5rem 0; text-decoration: none; color: var(--ink); align-items: baseline; }
.posts time { color: var(--ink-soft); font-size: 0.9rem; font-variant-numeric: tabular-nums; }
.posts .ttl { font-family: var(--font-display); font-size: 1.3rem; color: var(--ai); }
.posts a:hover .ttl { color: var(--asagi); }
.posts .who { display: block; color: var(--ink-soft); font-size: 0.9rem; margin-top: 0.2em; }
@media (max-width: 560px) { .posts a { grid-template-columns: 1fr; gap: 0.3rem; } }
.empty { padding: 3rem 0; border-top: 1px solid var(--mist); border-bottom: 1px solid var(--mist); color: var(--ink-soft); }

/* article */
.article { max-width: 40em; }
.article .meta { color: var(--ink-soft); font-size: 0.9rem; margin-bottom: 2.5rem; }
.article .meta span + span::before { content: "／"; margin: 0 0.5em; color: var(--mist); }
.article h2 { font-size: 1.4rem; color: var(--ai); margin: 2.5em 0 0.8em; }
.article .q { font-family: var(--font-display); color: var(--ai); margin-top: 2em; }
.article .q::before { content: "―― "; }
.article figure { margin: 2.5rem 0; }
.article figcaption { font-size: 0.85rem; color: var(--ink-soft); margin-top: 0.5rem; }
.article .profile { margin-top: 4rem; padding: 1.5rem; background: #fff; border: 1px solid var(--mist); font-size: 0.95rem; }
.article .profile h3 { font-size: 1rem; margin-bottom: 0.5em; }
.back { display: inline-block; margin-top: 3rem; }

/* footer */
.site-foot { border-top: 1px solid var(--mist); padding: 2.5rem 0 3rem; color: var(--ink-soft); font-size: 0.85rem; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem 2rem; }
.site-foot nav { display: flex; gap: 1.5rem; }
.site-foot a { color: var(--ink-soft); text-decoration: none; }
.site-foot a:hover { color: var(--asagi); }