@charset "utf-8";

:root {
  /* z-index */
  --z-sp-menu: 10;
  --z-page-anim-overlay: 100;

  /* color-default */
  --color-bg: #f6f6f6;
  --color-base: #555;
  --color-base-soft: #777;
  --color-li: #999;
  --color-hl: #ccc;

  /* color-other */
  --color-main-sp-btn: #e6e6e6;
  --color-bg-main-page: #cbcbcb;

  /* img */
  --img-main-bg: url("/img/hp/main_bg.jpg?v=20250628v2");

  /* font */
  --font-xx-small: 10px;
  --font-x-small: 12px;
  --font-small: 14px;
  --font-base: 16px;
  --font-mid: 18px;
  --font-h2: 24px;
  --font-h1: 28px;

  /* size */
  --size-sp-menu-btn: 36px;

  /* padding, margin, gap */
  --space-small: 8px;
  --space-base: 16px;
  --space-mid: 24px;
  --space-large: 32px;
  --space-x-large: 64px;

  /* border-radius */
  --border-radius-base: 8px;

  /* line-padding-bottom */
  --line-padding-bottom: 5px;

  /* box-shadow */
  --box-shadow-base: 0 2px 8px rgba(0, 0, 0, .1);
  --box-shadow-mid: 0 2px 10px rgba(0, 0, 0, .1);

  /* opacity */
  --opacity-hover: .8;
}


html,
body {
  width: 100%;
  height: 100%;
}

body {
  background: var(--color-bg);
  color: var(--color-base);
  margin: 0;
  font-family: "Montserrat", "Zen Kaku Gothic New", sans-serif;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

/* common */

h1,
h2,
p,
ul {
  margin: 0;
}

h1,
h2 {
  font-weight: 300;
}

h1 {
  font-size: var(--font-h1);
}

h2 {
  font-size: var(--font-h2);
}

ul,
a,
span,
p {
  font-size: var(--font-base);
}

.p-font-xx-small {
  font-size: var(--font-xx-small);
}

.p-font-x-small {
  font-size: var(--font-x-small);
}

.p-margin-base {
  margin-top: var(--space-base);
}

.p-margin-small {
  margin-top: var(--space-small);
}

a {
  text-decoration: none;
}

img {
  user-select: none;
  -webkit-user-select: none;
}

::selection {
  color: var(--color-li);
}

button {
  all: unset;
  user-select: none;
  -webkit-user-select: none;
}

button:hover {
  cursor: pointer;
}


/* ------------------------------------ */
/* main */

.is-main {
  background: var(--color-bg-main-page);
}

.main {
  width: 100%;
  height: 100%;
  background-image: var(--img-main-bg);
  background-size: cover;
  background-position: center;
  display: flex;
  flex-direction: column;
  color: var(--color-bg);
  position: relative;
}

.main-contents {
  flex: 1;
}

.hp-name {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
}

/* ------------------------------------ */
/* header */

header {
  padding: var(--space-base);
  height: calc(var(--size-sp-menu-btn) + var(--space-base));
}

.menu {
  padding: 0;
  list-style: none;
  user-select: none;
  -webkit-user-select: none;
}

.sp-menu-btn {
  position: fixed;
  right: var(--space-base);
  width: var(--size-sp-menu-btn);
  height: var(--size-sp-menu-btn);
  background: var(--color-bg);
  border-radius: var(--border-radius-base);
  border-style: solid;
  border-width: 2px;
  margin-left: auto;
  text-align: center;
  box-sizing: border-box;
}

.open-btn {
  border-color: var(--color-hl);
}

.is-main .open-btn {
  border-color: var(--color-main-sp-btn);
  background: none;
}

#open-btn.hidden {
  display: none;
}

.close-btn {
  border-color: var(--color-li);
}

.sp-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-bg);
  width: 100%;
  height: 100%;
  text-align: center;
  padding: var(--space-base);
  box-sizing: border-box;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s;
  z-index: var(--z-sp-menu);
}

.sp-menu .menu-item {
  margin-top: var(--space-mid);
}

.sp-menu.shown {
  opacity: 1;
  pointer-events: auto;
}

.menu-item.current .no-line-anim::before {
  background: var(--color-li);
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  transform-origin: center top;
  transform: scale(1, 1);
}

.no-line-anim {
  color: var(--color-li);
  padding-bottom: var(--line-padding-bottom);
  position: relative;
}

.hide-until-ready {
  display: none;
}

.pc-menu {
  display: none;
}

/* ------------------------------------ */
/* line */
.menu-line {
  color: var(--color-base);
}

.link-line {
  color: var(--color-li);
}

.menu-line,
.link-line {
  padding-bottom: var(--line-padding-bottom);
  position: relative;
}

.menu-line::before {
  background: var(--color-base);
}

.link-line::before {
  background: var(--color-hl);
}

.menu-line::before,
.link-line::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  transform-origin: center top;
  transform: scale(0, 1);
  transition: transform .3s;
}

.menu-line:hover::before,
.link-line:hover::before {
  transform-origin: center top;
  transform: scale(1, 1);
}

/* ------------------------------------ */
/* secound */

.secound {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  color: var(--color-base);
}


.secound-contents {
  flex: 1;
  width: 90%;
  margin: 0 auto;
}

/* ------------------------------------ */
/* about */

.about-box {
  display: flex;
  gap: var(--space-base);
  margin-top: var(--space-large);
}

.hyphen-box {
  line-height: 28px;
}

.profile-desc {
  display: flex;
  gap: var(--space-large);
  margin-top: var(--space-large);
}

.profile-img {
  width: 100%;
  height: 100%;
  max-width: 120px;
  min-width: 80px;
  border-radius: var(--border-radius-base);
  box-shadow: var(--box-shadow-base);
}

.external-link {
  display: inline-block;
  margin-top: var(--space-base);
  user-select: none;
  -webkit-user-select: none;
}

.copy-btn {
  position: relative;
  width: 100px;
  height: 20px;
  color: var(--color-li);
  margin-top: var(--space-base);
}

.copy-btn .label {
  position: absolute;
  left: 0;
  top: 0;
  display: inline-block;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.copy-btn .copied {
  opacity: 0;
  transform: translateY(100%);
}

.copy-btn.active .default {
  opacity: 0;
  transform: translateY(-100%);
}

.copy-btn.active .copied {
  opacity: 1;
  transform: translateY(0);
}

.copy-btn:hover {
  color: var(--color-hl);
}

.terms {
  color: var(--color-base-soft);
  list-style: none;
  padding-left: var(--space-base);
  margin-top: var(--space-base);
}

.terms-item {
  font-size: var(--font-small);
}

.terms-item::before {
  content: '※';
  margin-left: -16px;
}

/* ------------------------------------ */
/* works */

.secound-contents.works {
  text-align: center;
}

.tabs {
  display: flex;
  gap: var(--space-base);
  justify-content: center;
  margin-top: var(--space-base);
}

.tab {
  color: var(--color-li);
  border-color: var(--color-hl);
  border-width: 1px;
  border-style: solid;
  border-radius: var(--border-radius-base);
  padding: 4px;
}

.tab.active {
  background: var(--color-hl);
  color: var(--color-bg);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-mid);
  padding: var(--space-large) 0;
  user-select: none;
  -webkit-user-select: none;
}

.work-card {
  display: none;
  max-width: 400px;
  margin: 0 auto;
  padding: var(--space-small);
  text-align: center;
  opacity: 0;
  transform: translateY(5px);
  transition: transform .3s ease;
}

.work-card.active {
  display: block;
  transform: translateY(0);
}

.work-card-img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius-base);
  box-shadow: var(--box-shadow-mid);
}

.work-card.fade-in-up {
  animation: fadeInUp .6s ease forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(5px) scale(0.98);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.work-card.shown {
  opacity: 1;
  transition: .2s;
}

.work-card.shown:hover {
  opacity: var(--opacity-hover);
}

/* ------------------------------------ */
/* g-info */

.secound-contents.g-info {
  max-width: 640px;
}

.g-info-upper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-large);
}

.g-img {
  width: 100%;
  box-shadow: var(--box-shadow-base);
  user-select: none;
  -webkit-user-select: none;
}

.play-btn {
  color: var(--color-li);
  border-color: var(--color-li);
  border-width: 1px;
  border-style: solid;
  border-radius: var(--border-radius-base);
  padding: var(--space-small);
  width: 100px;
  transition: .2s;
  text-align: center;
  user-select: none;
  -webkit-user-select: none;
  margin-top: var(--space-base);
}

.play-btn:hover {
  background: var(--color-li);
  color: var(--color-bg);
}

.g-info-lower {
  margin-top: var(--space-large);
  text-align: left;
}

.g-title {
  border-bottom: 1px dashed;
  border-color: var(--color-li);
  font-size: var(--font-mid);
}

.list-hyphen {
  list-style-type: none;
  padding-left: 14px;
  margin-top: var(--space-small);
}

.g-desc::before {
  content: '-';
  margin-left: -14px;
}

.g-desc-text {
  padding-left: 9px;
}

.back-btn {
  width: 128px;
  height: 32px;
  text-align: center;
  transition: .2s;
  user-select: none;
  -webkit-user-select: none;
  margin: var(--space-x-large) auto 0;
}

.back-btn .link-line {
  font-size: var(--font-small);
}

/* ------------------------------------ */
/* i-info */
.i-img {
  width: 100%;
}

/* ------------------------------------ */
/* log */

.log-list {
  list-style: none;
  padding: 0;
  margin-top: var(--space-large);
}

.log-item:not(:first-child) {
  margin-top: var(--space-small);
}

.log-link {
  color: var(--color-base);
  user-select: none;
  -webkit-user-select: none;
}

.log-link:hover {
  opacity: var(--opacity-hover);
}

.log-date {
  display: inline-block;
  width: calc(var(--font-base) * 5);
}

.log-title {
  padding-left: var(--space-base);
}

/* ------------------------------------ */
/* pages */
.pages-date {
  font-size: var(--font-small);
  margin-top: var(--space-small);
  color: var(--color-base-soft);
}

.pages-text-box {
  margin-top: var(--space-large);
}

.pages-text-box p:not(:first-child) {
  margin-top: var(--space-base);
}

.pages-link {
  color: var(--color-li);
}

.pages-link:hover {
  opacity: var(--opacity-hover);
}

/* ------------------------------------ */
/* footer */

footer {
  padding: var(--space-mid);
  text-align: center;
}

/* ------------------------------------ */
/* page-anim */
.page-anim-overlay {
  position: fixed;
  background: var(--color-bg);
  width: 100vw;
  height: 100vh;
  user-select: none;
  -webkit-user-select: none;
  pointer-events: none;
  z-index: var(--z-page-anim-overlay);
  opacity: 0;
  transition: opacity .3s ease;
}

.page-anim-overlay.active {
  opacity: 1;
}

/* ------------------------------------ */

@media(min-width: 768px) {

  /* header */
  .sp-menu-btn {
    display: none;
  }

  .sp-menu.shown {
    opacity: 0;
    pointer-events: none;
  }

  .pc-menu {
    display: block;
  }

  .menu {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-mid);
    height: var(--size-sp-menu-btn);
    line-height: var(--size-sp-menu-btn);
    padding-right: var(--space-small);
  }

  .is-main .menu-line {
    color: var(--color-bg);
  }

  .is-main .menu-line::before {
    background: var(--color-bg);
  }

  .menu-line {
    color: var(--color-base);
  }

  .menu-line::before {
    background: var(--color-base);
  }

  /* secound-contents */
  .secound-contents {
    max-width: 960px;
  }

  /* works */
  .secound-contents.works {
    text-align: left;
  }

  .tabs {
    justify-content: left;
  }

  /* pages */
  .pages-text-box {
    max-width: 720px;
  }
}